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Using a t-distribution calculator, it is found that the critical value of the test statistic t is .
- The critical value is found using a calculator.
The inputs are:
- The tail.
- The amount of degrees of freedom, which is one less than the sample size.
- The significance level.
In this problem, we have a<u> lower(left-tailed) test, with 10 - 1 = 9 df and a level of significance of 0.1</u>, hence the critical value is .
You can learn more about the t-distribution at brainly.com/question/26062194